201112203120 has 40 divisors (see below), whose sum is σ = 623447830416. Its totient is φ = 53629920768.

The previous prime is 201112203109. The next prime is 201112203133. The reversal of 201112203120 is 21302211102.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×201112203120² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 201112203120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418983517 + ... + 418983996.

Almost surely, 2^201112203120 is an apocalyptic number.

201112203120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201112203120 is an abundant number, since it is smaller than the sum of its proper divisors (422335627296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201112203120 is a wasteful number, since it uses less digits than its factorization.

201112203120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837967529 (or 837967523 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 201112203120 its reverse (21302211102), we get a palindrome (222414414222).

The spelling of 201112203120 in words is "two hundred one billion, one hundred twelve million, two hundred three thousand, one hundred twenty".